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Patent Searching and Data


Title:
BATTERY VENT
Document Type and Number:
WIPO Patent Application WO2002059990
Kind Code:
A3
Abstract:
An electrochamical cell (1) includes a hydrogen selectively permeable membrane (6) associated with an outlet (8) of the housing (10). The hydrogen selectively permeable membrane (6) includes a substrate layer (90) and a hydrogen transportation layer (100), such as a metal-based hydrogen transportation layer, and exhibits a selective permeability of hydrogen (H2) relative to carbon dioxide (CO2) and water (H2O).

Inventors:
BOWDEN WILLIAM L (US)
PAPPAS DAVID L (US)
TREGER JACK (US)
WEI GUANG (US)
Application Number:
PCT/US2001/047040
Publication Date:
September 23, 2004
Filing Date:
November 16, 2001
Export Citation:
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Assignee:
GILLETTE CO (US)
BOWDEN WILLIAM L (US)
PAPPAS DAVID L (US)
TREGER JACK (US)
WEI GUANG (US)
International Classes:
H01M2/12; H01M12/06; (IPC1-7): H01M2/12
Domestic Patent References:
WO1999019919A11999-04-22
WO1991008167A11991-06-13
WO1994006542A11994-03-31
Foreign References:
GB1208323A1970-10-14
EP0265898A21988-05-04
US3909302A1975-09-30
US5173376A1992-12-22
Other References:
ATHAYDE A L ET AL: "METAL COMPOSITE MEMBRANES FOR HYDROGEN SEPARATION", JOURNAL OF MEMBRANE SCIENCE, ELSEVIER SCIENTIFIC PUBL.COMPANY. AMSTERDAM, NL, vol. 94, no. 1/3, 19 September 1994 (1994-09-19), pages 299 - 311, XP000488194, ISSN: 0376-7388
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